Exterior products of operators and superoptimal analytic approximation

Autor: Dimitrios Chiotis, Zinaida A. Lykova, N. J. Young
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Transactions of the London Mathematical Society, Vol 8, Iss 1, Pp 299-412 (2021)
Druh dokumentu: article
ISSN: 2052-4986
DOI: 10.1112/tlm3.12035
Popis: Abstract We give a new algorithm for the construction of the unique superoptimal analytic approximant of a given continuous matrix‐valued function on the unit circle, using exterior powers of operators in preference to spectral or Wiener–Masani factorizations.
Databáze: Directory of Open Access Journals